REFLECTOR: N4PE "The Ape" First Start

[Brian Michalk]

I added two washers to limit the fine pitch limit.  I was attempting to 
establish a comparison from a known reference.  Mike Deeter has his set 
up with two washers, so that's what I made my comparison against.

I was only down by 150 RPM, and I'm very happy with this performance. 
I'm drawing through a throttle body, a resting (non spinning) 
turbocharger, an intercooler, and then into an untuned intake manifold. 
  Yes, I'm quite happy.

If the turbo was too much of a restriction, I was prepared to remove it 
and live with a modified induction system.

John Dibble wrote:
> Can't you get whatever static rpm you want by adjusting the fine pitch limit?
> 
> John
> 
> Laurence Coen wrote:
> 
> 
>>Brian,
>>
>>Did you mean to say the MAP was 28" not 28 PSI?  My carbureted Slick mag
>>Franklin/IVO turns 2500 RPM static.
>>
>>Larry Coen
>>N136LC
>>
>>----- Original Message -----
>>From: "Douglas Holub" <doug.holub at comcast.net>
>>To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>>Sent: Monday, February 27, 2006 8:23 AM
>>Subject: Re: REFLECTOR: N4PE "The Ape" First Start
>>
>>
>>>Congratulations Brian!
>>>----- Original Message -----
>>>From: "Brian Michalk" <michalk at awpi.com>
>>>To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>>>Sent: Sunday, February 26, 2006 11:23 PM
>>>Subject: REFLECTOR: N4PE "The Ape" First Start
>>>
>>>
>>>
>>>>Ten years ago, on Valentines day our kit arrived.  Today we had the first
>>>>engine start.
>>>>
>>>>I can now say I'm the proud owner of a running Franklin/IVO combination.
>>>>I've got two electronic fuel injection systems, electronic ignition, and
>>>>a magneto.  It's turbocharged with intercoolers.  I fabricated the
>>>>stainless steel intake and exhaust manifold from scratch since there were
>>>>no other working examples to copy.  I worked out the math on the
>>>>injectors, turbo, fuel pumps, and all of the components that are simply
>>>>not available in a package.  I had a lot of concerns over whether it
>>>>would work or not.  I watched other people's failures and tried not to
>>>>make the same mistakes.
>>>>
>>>>I am very pleased that the large turbo breathes quite well with the open
>>>>waste gate.  In fine pitch, I am able to make 2250 RPM.  Deeter's
>>>>Franklin will do 2400RPM static.  The MAP at 2250 was 28PSI.  I
>>>>calculated I would lose a little less than 1PSI across the intercoolers,
>>>>and didn't know what the drop would be for the turbo.
>>>>
>>>>The engine starts like a dream on the Autronic electronic engine
>>>>management system.  I did have some problems though.  I completely messed
>>>>up the magneto wiring.  I have no idea how I did it, but once we got that
>>>>problem sorted out, the engine ran like a top.  I am leaking oil out the
>>>>turbo, and need to look at the scavenge pump.  I might have it hooked up
>>>>backwards.  During the high power runs we needed to tweak the mixture
>>>>because it was originally too lean for the stock setting. The power
>>>>control is a single knob affair.  The Autronic calculates all of the
>>>>mixtures for operation.
>>>>
>>>>I installed a Linksys router in the airplane that has been hacked to run
>>>>Linux.  We logged the engine data to a laptop via the wireless
>>>>connection. For the first flight we intend to get telemetry via 802.11,
>>>>and maybe even put a webcam on board.
>>>>_______________________________________________
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>>>
>>>
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>>
>>_______________________________________________
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>>
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> 
> 
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